93 lines
2.1 KiB
Go
93 lines
2.1 KiB
Go
package main
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import (
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"code.mrmelon54.xyz/sean/melon-tools/module/gitea"
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"code.mrmelon54.xyz/sean/melon-tools/utils"
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"encoding/gob"
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"fmt"
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"github.com/google/uuid"
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"github.com/gorilla/mux"
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"github.com/gorilla/sessions"
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"github.com/joho/godotenv"
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"log"
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"net/http"
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"os"
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"sync"
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)
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var (
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modules = map[string]utils.IModule{
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"/gitea": gitea.New(),
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}
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sessionStore = sessions.NewCookieStore([]byte(os.Getenv("SESSION_KEY")))
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)
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func main() {
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err := godotenv.Load()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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stateManager := StateManager{&sync.RWMutex{}, make(map[uuid.UUID]*utils.State)}
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router := mux.NewRouter()
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router.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
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rw.Header().Set("Content-Type", "text/html")
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rw.WriteHeader(http.StatusOK)
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_, _ = rw.Write([]byte("Melon Tools<br/>\n"))
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_, _ = rw.Write([]byte("<a href='/gitea'>Gitea</a>\n"))
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})
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gob.Register(uuid.UUID{})
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for k, v := range modules {
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router.HandleFunc(k, func(rw http.ResponseWriter, req *http.Request) {
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http.Redirect(rw, req, k+"/", http.StatusTemporaryRedirect)
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})
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v.SetupModule(router.PathPrefix(k).Subrouter(), stateManager.sessionWrapper)
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}
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s := &http.Server{
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Addr: os.Getenv("LISTEN"),
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Handler: router,
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}
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err = s.ListenAndServe()
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if err != nil {
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if err == http.ErrServerClosed {
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log.Println("Server closed successfully")
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} else {
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log.Fatalln(err)
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}
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return
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}
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}
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type StateManager struct {
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MSync *sync.RWMutex
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States map[uuid.UUID]*utils.State
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}
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func (m *StateManager) sessionWrapper(cb func(http.ResponseWriter, *http.Request, *utils.State)) func(rw http.ResponseWriter, req *http.Request) {
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return func(rw http.ResponseWriter, req *http.Request) {
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session, _ := sessionStore.Get(req, "melon-tools-session")
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if a, ok := session.Values["session-key"]; ok {
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if b, ok := a.(uuid.UUID); ok {
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m.MSync.RLock()
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c, ok := m.States[b]
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m.MSync.RUnlock()
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if ok {
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cb(rw, req, c)
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return
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}
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}
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}
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u := utils.NewState()
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m.MSync.Lock()
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m.States[u.Uuid] = u
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m.MSync.Unlock()
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session.Values["session-key"] = u.Uuid
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_ = session.Save(req, rw)
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cb(rw, req, u)
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}
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}
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